Method of producing intaglio printing-forms on cylindrical surfaces



No. 753,291. r T" latented March 1,1904.

if UNITED STATES PAT NT OFF CE,

, enonen r, MciNDOE AND JAMES .wL' GiNnoE, or BOSTON, MASSACHU- snrrs, ASSIGNORS or ONE-THIRD -ro, ARTHUR E. WHITNEY, or WIN- onnsrnn, MASSACHUSETTS. c. ,7

METHOD OF PRODUCING INTA G LIO PRINTING-FORMS ON CYLINDRICAL' SURFACES.

SPECIFICATION formingpart of Letters Patent No. 753,291, datedMarch 1, 1904.

Application filed March 16, 1903. Serial No. 147,981. (No specimens.)

TO ME whvm it m y Ofmvernr tions of said fabric without filling the cavities Be it known that we, GEORGE F. MGINDOE thereof. The coated fabric is then passed be- 5 and JAMES W. MGINDOE, of Boston, in the neath the metal cylinder that is later to be decounty of Suffolk and State of Massachusetts, veloped into a cylindrical printing-form while have invented jointly a new and useful Method it is being revolved under pressure to transfer of Producing Intaglio Printing-Forms on Cysaid acid-resisting coating from the surface of lindrical Surfaces, of which the following is a said fabric to the periphery of said cylinder. 5 5 specification. The cylinder is then revolved in a bath of a Our invention relates to a method of prosuitable acid to etch the uncovered portions of re ducing intaglio printing-forms on cylindrical its surface to develop it into an intaglio printsurfaces; and it consists in certain novel feaing-form, from which when the acid-resisting tures of manipulation and operation, as fully coating has been removed from the unetched set forth and described hereinafter, and parportions thereof may be printed continuously ticularly pointed out in the claim hereto apupon a roll of paper or other smooth flexible I 5 pended. material a series of exact reproductions of The object of our invention is the producthe surface of the fabric employed as a basis, tion upon a cylindrical surface at a comparathe ink or color on the completed print rep- 5 tively small cost of an intaglio printing-form resenting the cavities in the fabric and the on which shall be reproduced arepresentation uninked portions of the print representing 2b of the surface of a selected piece of textile the raised portions of said fabric, whereby a fabric or other like flexible material, from very desirable and merchantable article of which a reproduction of the configuration of manufacture may be produced with great ra- 7 the surface of said fabric, including figures or pidity and at small cost. designs, may be printed continuously upon In order to have the two ends of the design 2 5 the surface of a roll ofpaper or other mateon the fabric if ornamented by figures join rial, the ink or color on the completed print properly on the cylinder, so that when conrepresenting the depressions in the fabric and tinuous printing is done on a roll of paper also in the etched cylinder and the uninked there shall be no serious disfiguring breaks in portions of the print representing the raised the print, the circumference of the etched o portions of said fabric, thereby producing a cylinder must correspond accurately to the desirable and useful article of manufacture in length of one or more complete figures of the large quantities at a small cost. design, and to properly place said acid-resist- In carrying out the above objects we first ing coating on said cylinder we apply the select the fabric a representation of which it guard-plate or shield shown and described in 35 is desired to have printed continuously on the the Letters Patent granted to George F. Mc-

roll of paper or other material; saturate said Indoe May 6, 1902, No. 699,220. material with a solution of glutinous mate- We claim 5 rial and dry it by subjecting it to heat and The process of producing intaglio printingpressure to harden it, remove wrinkles, and forms on cylindrical surfaces, for printing 4o prevent the absorption of other substances continuously upon paper or other smooth that may be applied thereto; secure said fabflexible material, a representation of the surric in a fixed and extended position on a suitface of a selected piece of textile fabric or 9 able supporting-bed having an elastic surface, other like flexible material, which consists in 4 which may be'flat or cylindrical; apply to the first saturating a selected piece of such mate- 45 hardened surface of said fabric a thin coating rial of the desired size, shape, and configuraof any well-known acid-resisting paste-like tion with a sizing, as a solution of glutinous substance capable of being spread by a prinmaterial; drying said saturated material by ters composition roller to cover the raised porsubjecting it to heat and pressure; securing said saturated material in a fixed and extended position on a suitable supporting-bed having an elastic surface; applying to said saturated and dried fabric a thin coating of an acid-resisting paste-like material, capable of being spread by a printers inking-roller; then passing said coated fabric With its supporting-bed beneath the cylinder that is to be developed into an intaglio printing-form, under pressure, and While said cylinder is being revolved, to transfer said acid-resisting material from the surface of said fabric to the periphery of said cylinder; and then subjecting said cylintwo subscribing Witnesses, on this 14th day of 20 March, A. D. 1903.

GEORGE F. McINDOE. JAMES W. MoINDOE. Witnesses:

N; C. LOMBARD, J. H. STEVENSON. 

